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Finding the Fourth Proportional to 308,052.60, 461,733.30 and 130,529.40

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Solution

The fourth proportional to 308,052.60, 461,733.30 and 130,529.40 is: 195,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,052.60 : 461,733.30 = 130,529.40 : x
  2. Step 2: Convert to fraction form
    308,052.60/461,733.30 = 130,529.40/x
  3. Step 3: Cross multiply
    308,052.60x = 461,733.30 × 130,529.40
  4. Step 4: Simplify right side
    308,052.60x = 60,269,770,609.02
  5. Step 5: Solve for x
    x = 60,269,770,609.02/308,052.60
  6. Step 6: Final answer
    x = 195,647.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.